PLAT-150: Migrate test_bypass_serialization.py

tests/test_bypass_serialization.py

@@ -0,0 +1,57 @@
+import pytest
+import datajoint as dj
+import numpy as np
+from . import PREFIX
+from numpy.testing import assert_array_equal
+
+test_blob = np.array([1, 2, 3])
+
+
+class Input(dj.Lookup):
+    definition = """
+    id:                 int
+    ---
+    data:               blob
+    """
+    contents = [(0, test_blob)]
+
+
+class Output(dj.Manual):
+    definition = """
+    id:                 int
+    ---
+    data:               blob
+    """
+
+
+@pytest.fixture
+def schema_in(connection_test):
+    schema = dj.Schema(
+        PREFIX + "_test_bypass_serialization_in",
+        context=dict(Input=Input),
+        connection=connection_test,
+    )
+    schema(Input)
+    yield schema
+    schema.drop()
+
+
+@pytest.fixture
+def schema_out(connection_test):
+    schema = dj.Schema(
+        PREFIX + "_test_blob_bypass_serialization_out",
+        context=dict(Output=Output),
+        connection=connection_test,
+    )
+    schema(Output)
+    yield schema
+    schema.drop()
+
+
+def test_bypass_serialization(schema_in, schema_out):
+    dj.blob.bypass_serialization = True
+    contents = Input.fetch(as_dict=True)
+    assert isinstance(contents[0]["data"], bytes)
+    Output.insert(contents)
+    dj.blob.bypass_serialization = False
+    assert_array_equal(Input.fetch1("data"), Output.fetch1("data"))